Datasheet and midrange manual says, that MCLR reset and WDT timeout during normal operation interrupt the write too. WREER bit is set, so the user could check after reset, if the write was succesfull. Samo > In any event, I > would expect that once the EEPROM write sequence has > been started > the only thing that would stop the write completing > is a power-down __________________________________ Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo. http://search.yahoo.com -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics